<template>
    <el-dropdown trigger="click" @command="handleLanguageChange">
      <div>
        <svg-icon icon-class="language" :size="size" />
      </div>
      <template #dropdown>
        <el-dropdown-menu>
          <el-dropdown-item
            v-for="item in langOptions"
            :key="item.value"
            :disabled="appStore.language === item.value"
            :command="item.value"
          >
            {{ item.label }}
          </el-dropdown-item>
        </el-dropdown-menu>
      </template>
    </el-dropdown>
  </template>
  
  <script setup lang="ts">
  import { useI18n } from "vue-i18n";
  import { useAppStore } from "@/store/modules/app";
  import { LanguageEnum } from "@/enums/LanguageEnum";
  
  defineProps({
    size: {
      type: String,
      required: false,
    },
  });
  
  const langOptions = [
    { label: "中文", value: LanguageEnum.ZH_CN },
    { label: "English", value: LanguageEnum.EN },
  ];
  
  const appStore = useAppStore();
  const { locale, t } = useI18n();
  
  function handleLanguageChange(lang: string) {
    locale.value = lang;
    appStore.changeLanguage(lang);
  
    ElMessage.success(t("langSelect.message.success"));
  }
  </script>
  